3D

American

[three-dee] / ˈθriˈdi /

Or 3-D

adjective

of, relating to, or representing something in three dimensions; three-dimensional.

3D movies.

noun

a three-dimensional form or appearance.

My dreams are always in 3D.

Etymology

Origin of 3D

An Americanism dating back to 1950–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Creating their own game had been "this dream that we talked about all the time" as they learned skills such as programming and 3D modelling.

From Barron's • Apr. 12, 2026

Disney began selling simple souvenir popcorn pails in the 1990s and in 2010 introduced a 3D container modeled after Micky Mouse.

From Los Angeles Times • Apr. 6, 2026

"Up until five or six years ago, there wasn't anything 3D," he said.

From BBC • Apr. 4, 2026

By confirming that the genome's 3D structure plays a major role in gene activity, this research helps link DNA organization to disease.

From Science Daily • Mar. 31, 2026

Upstairs in 3D Angela Wexler stood on a hassock as still and blank-faced pretty as a store-window dummy.

From "The Westing Game" by Ellen Raskin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023